NPPB and chronic kidney disease: The addition of both NT-proBNP and eGFR to HFRV improved net reclassification by 28.8% (p=0.02; pevents=0.40; pnon-events<0.001) in those with CKD and by 15.9% (p<0.001; pevents<0.001; pnon-events=0.54) in those without CKD (Table 5–6).